Difference between revisions of "Pseudognaphalium helleri"
Opera Bot. 104: 147. 1991.
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|common_names=Heller’s rabbit-tobacco | |common_names=Heller’s rabbit-tobacco | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Gnaphalium helleri | |name=Gnaphalium helleri | ||
|authority=Britton | |authority=Britton | ||
| + | |rank=species | ||
|publication_title=Bull. Torrey Bot. Club | |publication_title=Bull. Torrey Bot. Club | ||
|publication_place=20: 280. 1893 | |publication_place=20: 280. 1893 | ||
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|name=Gnaphalium obtusifolium var. helleri | |name=Gnaphalium obtusifolium var. helleri | ||
|authority=(Britton) S. F. Blake | |authority=(Britton) S. F. Blake | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Gnaphalieae;Pseudognaphalium;Pseudognaphalium helleri | |hierarchy=Asteraceae;Asteraceae tribe Gnaphalieae;Pseudognaphalium;Pseudognaphalium helleri | ||
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name=Pseudognaphalium helleri | name=Pseudognaphalium helleri | ||
| − | |||
|authority=(Britton) Anderberg | |authority=(Britton) Anderberg | ||
|rank=species | |rank=species | ||
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|publication title=Opera Bot. | |publication title=Opera Bot. | ||
|publication year=1991 | |publication year=1991 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_688.xml |
|tribe=Asteraceae tribe Gnaphalieae | |tribe=Asteraceae tribe Gnaphalieae | ||
|genus=Pseudognaphalium | |genus=Pseudognaphalium | ||
Latest revision as of 20:54, 5 November 2020
Annuals (fragrant), 30–100 cm; fibrous-rooted (roots relatively thick and lignescent). Stems greenish, glandular-villous (without persistent tomentum, stipitate glands mostly 0.3–1 mm, often variable, stalks broadened toward bases, about equaling gland widths). Leaf blades mostly oblong-lanceolate, 2.5–7 cm × 4–20 mm, bases not clasping, not decurrent, margins flat, faces bicolor, abaxial white to gray with lightly persistent tomentum, adaxial green, both minutely stipitate-glandular. Heads in corymbiform arrays. Involucres campanulate, 6–7 mm. Phyllaries in 4–6 series, white (opaque, shiny), ovate to ovate-oblong or oblong, ± tomentose. Pistillate florets 83–107. Bisexual florets 9–15. Cypselae ridged, smooth.
Phenology: Flowering Sep–Oct(–Nov).
Habitat: Dry woods and openings, clay and sandy clay, sand hills
Elevation: 10–300 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tenn., Tex., Va.
Discussion
Pseudognaphalium helleri and P. micradenium are similar to P. obtusifolium in most features; both differ in their glandular stems without the persistent whitish tomentum of P. obtusifolium.
Selected References
None.